[ 241.450249] BUG: unable to handle kernel paging request at ffffebe000000000 [ 241.452030] IP: [] kfree+0x56/0x1a0 [ 241.453351] PGD 0 [ 241.453351] Oops: 0000 [#1] PREEMPT SMP [ 241.453351] Modules linked in: ctr ccm zram lz4_compress iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack tun iptable_filter ip_tables x_tables uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media joydev mousedev iTCO_wdt iTCO_vendor_support xfs crc32c_generic libcrc32c radeon coretemp pcspkr psmouse evdev mac_hid serio_raw i2c_i801 ttm drm_kms_helper drm hwmon i2c_algo_bit i2c_core lpc_ich snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec arc4 iwldvm mac80211 r8169 iwlwifi cfg80211 toshiba_acpi snd_hwdep sparse_keymap snd_pcm mii snd_timer wmi rfkill thermal fan snd soundcore toshiba_haps toshiba_bluetooth video battery shpchp ac intel_agp intel_gtt button acpi_cpufreq processor [ 241.453351] usbip_host usbip_core nfs nfsd auth_rpcgss oid_registry nfs_acl lockd sunrpc fscache sg ext4 crc16 mbcache jbd2 hid_generic usbhid hid uas usb_storage sd_mod sr_mod cdrom crc_t10dif crct10dif_common mmc_block atkbd libps2 ahci libahci libata scsi_mod firewire_ohci ehci_pci uhci_hcd ehci_hcd firewire_core crc_itu_t sdhci_pci sdhci led_class mmc_core usbcore usb_common i8042 serio [ 241.453351] CPU: 1 PID: 2074 Comm: Xorg.bin Not tainted 3.17.2-1-ARCH #1 [ 241.453351] Hardware name: TOSHIBA Satellite A505/Portable PC, BIOS 1.70 09/15/2009 [ 241.453351] task: ffff8800a291a840 ti: ffff8800a294c000 task.ti: ffff8800a294c000 [ 241.453351] RIP: 0010:[] [] kfree+0x56/0x1a0 [ 241.453351] RSP: 0018:ffff8800a294f990 EFLAGS: 00010286 [ 241.453351] RAX: 000001e000000000 RBX: 0000000000000202 RCX: 0000000000010005 [ 241.453351] RDX: 000077ff80000000 RSI: 0000000000000000 RDI: 0000000000000202 [ 241.453351] RBP: ffff8800a294f9a8 R08: 0000000000000007 R09: ffffebe000000000 [ 241.453351] R10: 000000000000001b R11: 0000000000180000 R12: ffff8800baeb0000 [ 241.453351] R13: ffffffffa073dfa5 R14: ffff88013910d800 R15: ffff8800baeb0000 [ 241.453351] FS: 00007ff7d99e88c0(0000) GS:ffff88013fc80000(0000) knlGS:0000000000000000 [ 241.453351] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 241.453351] CR2: ffffebe000000000 CR3: 00000000a28f5000 CR4: 00000000000007e0 [ 241.453351] Stack: [ 241.453351] 0000000000000400 ffff8800baeb0000 ffff88013910c000 ffff8800a294fa80 [ 241.453351] ffffffffa073dfa5 ffff8800a294fa5c 0000000000000000 ffffe7ea00000001 [ 241.453351] ffff88000000e8a1 ffff8800a294f9f8 01ff880000007810 0000000000007810 [ 241.453351] Call Trace: [ 241.453351] [] dce3_1_hdmi_setmode+0x4c5/0xac0 [radeon] [ 241.453351] [] ? radeon_irq_kms_enable_afmt+0x5f/0x70 [radeon] [ 241.453351] [] ? r600_hdmi_enable+0x1c6/0x3e0 [radeon] [ 241.453351] [] radeon_atom_encoder_mode_set+0x178/0x3c0 [radeon] [ 241.453351] [] drm_crtc_helper_set_mode+0x356/0x530 [drm_kms_helper] [ 241.453351] [] ? ttwu_do_wakeup+0x19/0x100 [ 241.453351] [] drm_crtc_helper_set_config+0x9c0/0xb50 [drm_kms_helper] [ 241.453351] [] ? idr_alloc+0x84/0x120 [ 241.453351] [] radeon_crtc_set_config+0x44/0x120 [radeon] [ 241.453351] [] drm_mode_set_config_internal+0x64/0xe0 [drm] [ 241.453351] [] drm_mode_setcrtc+0x2ab/0x5b0 [drm] [ 241.453351] [] drm_ioctl+0x1df/0x680 [drm] [ 241.453351] [] radeon_drm_ioctl+0x4c/0x80 [radeon] [ 241.453351] [] do_vfs_ioctl+0x2d0/0x4b0 [ 241.453351] [] ? __fget+0x6e/0xb0 [ 241.453351] [] SyS_ioctl+0x81/0xa0 [ 241.453351] [] system_call_fastpath+0x16/0x1b [ 241.453351] Code: 00 00 00 80 ff 77 00 00 49 b9 00 00 00 00 00 ea ff ff 48 01 d8 48 0f 42 15 e8 ef 66 00 48 01 d0 48 c1 e8 0c 48 c1 e0 06 49 01 c1 <49> 8b 01 f6 c4 80 0f 85 0e 01 00 00 49 8b 01 a8 80 0f 84 83 00 [ 241.453351] RIP [] kfree+0x56/0x1a0 [ 241.453351] RSP [ 241.453351] CR2: ffffebe000000000